[rancid] modifying diff conditions

Wayne Eisenberg Wayne.Eisenberg at CarolinasIT.com
Fri Nov 22 10:44:27 UTC 2013

That should have been 'panrancid', not 'panlong'. (where did *that* come from?)

-----Original Message-----
From: rancid-discuss-bounces at shrubbery.net [mailto:rancid-discuss-bounces at shrubbery.net] On Behalf Of Wayne Eisenberg
Sent: Friday, November 22, 2013 5:39 AM
To: 'heasley'
Cc: 'rancid-discuss at shrubbery.net'
Subject: Re: [rancid] modifying diff conditions

OK, I wasn't off too much but I didn't trust my results due to my non-mastery in the linux world. The only other way I can see making this work is to leave the cvs diff alone, and modify the rancid script itself. This is a PaloAlto device, so it's actually a script called panlong. Here's the section :

# This routine parses "show system info"
sub ShowInfo {

    print STDERR "    In ShowInfo:: $_" if ($debug);

    while (<INPUT>) {
        next if /^\s*$/;
        last if (/^$prompt/);

        next if (/^(time:|uptime:)/);


If I add a line 'next if (/^(wildfire|av)/);' in the "while (<INPUT>)" section, that ought to skip retrieving those lines. If they're not retrieved, they can't be diff'ed, right?

-----Original Message-----
From: 'heasley' [mailto:heas at shrubbery.net]
Sent: Thursday, November 21, 2013 7:27 PM
To: Wayne Eisenberg
Cc: 'heasley'; 'rancid-discuss at shrubbery.net'
Subject: Re: [rancid] modifying diff conditions

Tue, Nov 19, 2013 at 09:07:38PM +0000, Wayne Eisenberg:
> if [ $RCSSYS = "cvs" ] ; then
>     cvs -f diff -U 4 -ko --ignore-matching-lines='(.*av-.*|.*wildfire-.*|.*threat-.*|.*url-filtering-.*|.*app-.*|.*call-forwarding.*)'  | sed -e '/^RCS file: /d'   -e '/^--- /d' \   -e '/^+++ /d' -e 's/^\([-+ ]\)/\1 /' >$TMP.diff

I messed around with this option a bit.  what i've discovered is that
1) is doesnt accept extended regexps
2) it does allow the option to appear more than once, or at least twice
3) http://www.delorie.com/gnu/docs/cvs/cvs_130.html implies that it will
   only work for changes that affect one line.  ie:
   will not filter a diff like:
        > interface foo
        >  description foo to spamalot
4) it does not appear to appear to work with -U

YFMV (your frustration may vary).


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